【单选题】
I have trouble in ________ my homework.
【单选题】
Ahead of me I saw a woman ____I thought was my aunt.
【单选题】
I will never forget the place __________ I first met my husband.
【多选题】
I shall never forget the days when I first ________________ Beijing.
【单选题】
When I was a child, I_______go back home on time.
【单选题】
When I got there, Henry ____ to the hospital.
【单选题】
The key ___ on the table when I leave.
【单选题】
I haven’t seen her for years, but I could still ____ her voice on the phone.
【单选题】
6.The old lady fainted on the street and found herself in the first aid room when she came_________.
【单选题】
I do not intend to follow that, because we shall have an opportunity to do so on another __________ .